LAMMPS (18 Feb 2013)
# Point dipoles in a 2d box

units		lj
atom_style	hybrid sphere dipole
dimension	2

lattice		sq2 0.7
Lattice spacing in x,y,z = 1.69031 1.69031 1.69031
region		box block 0 10 0 10 -0.5 0.5
create_box	1 box
Created orthogonal box = (0 0 -0.845154) to (16.9031 16.9031 0.845154)
  2 by 2 by 1 MPI processor grid
create_atoms	1 box
Created 200 atoms

# need both mass settings due to hybrid atom style

mass		1 1.0
set		group all mass 1.0
  200 settings made for mass
set		group all dipole/random 98934 0.75
  200 settings made for dipole/random

velocity	all create 0.0 87287 mom no

pair_style	dipole/cut 2.5
pair_coeff	* * 1.0 1.0

neighbor	0.3 bin
neigh_modify	delay 0

fix		1 all nve/sphere update dipole
fix		2 all enforce2d

timestep	0.005

compute		erot all erotate/sphere
thermo_style	custom step temp epair c_erot etotal press
thermo		500

#dump		1 all custom 500 dump.dipole id type x y z mux muy

#dump		1 all image 250 image.*.jpg mux type #		zoom 1.6 adiam 1.2
#dump_modify	1 pad 5

run		10000
Memory usage per processor = 3.28531 Mbytes
Step Temp E_pair erot TotEng Press 
       0            0   -2.1909822            0   -2.1909822   -2.5750971 
     500   0.39335419   -2.7940623   0.20683255   -2.4026749  -0.24768899 
    1000   0.45259485   -2.8743423   0.22311811   -2.4240104  -0.14864606 
    1500   0.42110221   -2.8019062   0.19532181   -2.3829095   0.18067141 
    2000   0.39019968   -2.7914873   0.22407029   -2.4032386   -0.4091395 
    2500   0.40237391   -2.8138968   0.24276582   -2.4135348  -0.33901619 
    3000   0.42595202   -2.8621684   0.26812111   -2.4383462  -0.19493812 
    3500   0.41153448   -2.8070419   0.23860803    -2.397565 -0.032395966 
    4000   0.40867238   -2.7790568   0.22331133   -2.3724278  0.014462986 
    4500   0.39803378   -2.7718651   0.23536245   -2.3758215  -0.25429533 
    5000   0.42736901   -2.8476039    0.2824171   -2.4223718   0.12187395 
    5500   0.41115816   -2.7810177   0.24508517   -2.3719153   -0.1925336 
    6000   0.43184788   -2.8015292   0.24726776   -2.3718406 -0.014489672 
    6500   0.45955478   -2.8340069   0.26105652   -2.3767499  -0.16015969 
    7000   0.43826613   -2.7488226   0.20031236   -2.3127478  0.071480756 
    7500   0.45738321   -2.7892162   0.23337255   -2.3341199  -0.17245012 
    8000   0.46107991   -2.7322063   0.18569571   -2.2734318  -0.21563894 
    8500   0.40367385   -2.7623279   0.27023252   -2.3606724 -0.038576129 
    9000   0.43104207   -2.7672424   0.25452132   -2.3383555  0.044351007 
    9500   0.38924411   -2.7231541   0.24926613   -2.3358562  -0.21910634 
   10000   0.44421944   -2.7677489   0.23376321   -2.3257506  0.034770807 
Loop time of 0.47903 on 4 procs for 10000 steps with 200 atoms

Pair  time (%) = 0.216013 (45.0939)
Neigh time (%) = 0.00924784 (1.93053)
Comm  time (%) = 0.190206 (39.7065)
Outpt time (%) = 0.000464082 (0.0968794)
Other time (%) = 0.0630991 (13.1723)

Nlocal:    50 ave 55 max 41 min
Histogram: 1 0 0 0 0 0 1 0 0 2
Nghost:    87.75 ave 92 max 78 min
Histogram: 1 0 0 0 0 0 0 1 0 2
Neighs:    415 ave 481 max 301 min
Histogram: 1 0 0 0 0 0 1 0 0 2

Total # of neighbors = 1660
Ave neighs/atom = 8.3
Neighbor list builds = 671
Dangerous builds = 0
